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5445CS - 2 Inch Spring Steel Extension Springs

The 5445CS is an extension spring manufactured by Century Spring. It features machine hook ends and a zinc finish. This spring has a free length of 2 inches and an initial tension of 1 pound. Made from spring steel, it has a maximum deflection of 1.6 inches and can withstand a maximum load of 10 pounds. With an outside diameter of 0.75 inches and a wire diameter of 0.0625 inches, the 5445CS has a spring rate of 5.9 inches per pound. This standard-sized spring is suitable for a variety of applications.

Century Spring takes pride in its fast shipping and extensive stock inventory. We are committed to providing customers with high-quality springs, including the 5445CS, that are made in the United States. With our efficient shipping process and ample supply, Century Spring ensures that customers receive their springs promptly for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1 lb
Length 2 in
Material Spring Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 5.9 lbs/in
SKU 5445CS
Sugg Max Deflection 1.6 in
Sugg Max Load 10 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.45 kg
Length 50.8 mm
Material Spring Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 1.03 N/mm
SKU 5445CS
Sugg Max Deflection 40.64 mm
Sugg Max Load 44.48 N
Wind Direction Left
Wire Diameter 1.59 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $3.13
50 - 149 $2.98
150 - 299 $2.82
300 - 499 $2.67
500 - 749 $2.35
750 - 999 $2.04
1000+ Call for price